Home / 141,062.95-194,667.11-77,401.23

Finding the Fourth Proportional to 141,062.95, 194,667.11 and 77,401.23

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Solution

The fourth proportional to 141,062.95, 194,667.11 and 77,401.23 is: 106,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,062.95 : 194,667.11 = 77,401.23 : x
  2. Step 2: Convert to fraction form
    141,062.95/194,667.11 = 77,401.23/x
  3. Step 3: Cross multiply
    141,062.95x = 194,667.11 × 77,401.23
  4. Step 4: Simplify right side
    141,062.95x = 15,067,473,754.55
  5. Step 5: Solve for x
    x = 15,067,473,754.55/141,062.95
  6. Step 6: Final answer
    x = 106,813.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.